Jade 7 PB

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Four-Way, Floorstanding Loudspeakers with Aperiodic Loading

The 7 is the largest speaker of the Jade line, which includes two stand-mounted and two floorstanding designs, as well as models designed specifically for home theaters. It’s a substantial-looking speaker, and its 82-lb weight means that it’s solidly built. The front of the Jade 7 is curved, as are the side, converging at the back.

The Jade 7 comes with individual round covers for its midbass and bass drive-units. The midrange cone and the tweeter have permanent metal grilles.

The drivers are designed and manufactured specifically for the Jade series. The cones are made of a proprietary material called Acufibre, which combines glass and carbon fiber in a self-damping woven matrix, and have a molded pattern designed to break up standing waves. The voice-coil features shorting rings to reduce inductance. The crossover networks are phase linear, and have been developed using measurements, computer modeling, and extensive listening tests.

The Jade 7’s cabinet is made of a new, proprietary, laminated substance called Crystalam, composed of natural wood elements and composites and designed to reduce panel vibrations and distribute resonances over a wider range. The Jade 7 uses a modern version of the aperiodic loading developed by Wharfedale founder Gilbert Briggs. Here, this consists of a space between the cabinet and the plinth that is filled with resistive porous foam that controls the air flow.



  • Drive-units: 1″ (25mm) aluminum-dome tweeter, 3″ (75mm) aluminum-pulp composite-cone upper-midrange unit, 6.5″ (165mm) Acufibre-cone lower-midrange unit, two 8″ (200mm) Acufibre-cone woofers
  • Crossover frequencies: 180Hz, 590Hz, 2.8kHz
  • Frequency response (±3dB): 38Hz – 24kHz
  • Nominal impedance: 6 ohms
  • Sensitivity: 88dB/2.83V/m
  • Recommended amplification: 50–250W
  • Dimensions (HxWxD): 46″ (1,180mm) x 10.6″ (273mm) x 17.5 (448mm)
  • Weight: 81.4 lbs (37kg)






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